Automatic reversing-gear for motors.



i B. LoUTzKY, AUTOMATIC REVBSING GEAR FOB MOTORS;

APYPLIUATIO-l FILED 1R10. 17,1907.

Patented Apr; y1-2, 1910 l SUERTE-BREST 1. A

:Bari/6' B. LoUTzKY. l AUTOMATIC REVEREJIIGV GEAR FOB MOTORS.

APPLICATION FILED DEU. 17,1907.

l Patented Apr.12,19'1o s suma-sims? n 954,867. Specification of Letters Patent. Patexited 1910,

Application led December i?, 1907. Serial No. 406,838.

. by Huid pressure whether generated by exr' for starting To all 'whom 'it may concern: L

Be it known that I, BoRrsfLoU Y, of

Berlin, a subjeetcf the Emperorof tussis,

and Whose post-office address is No, Unter- .den-Linden, Berlin, Prussia., Gelman E1npire, have invented 'new vand useful Improvements in end Relating lto Automatic eversing-G'ear for Motors, of which the following is a. slrfecilicntion.v This invention relates to motors operated ternel means or internal combustion, and

comprises en ideaJ of means by which ellI the necessary .movements of parts for c. re

'versal ofsaid motors may be automatically produced in-proper sequence by the opening of a single cock, the parts placed in position tion, and e reversing mechanism returned to normal position ready ier succeeding re versals of the motor.

.An embodiment of the "invention is lustrated -in the `accompanying drawing, in whicl1: y u

Figure 1 is a section through a. distribut ing valve, the distrbuting'shait 'ande piston cylinder. Fig. 2 represents a. section through the several piston cylinders for the reversing pressure medium. Fig. 3 represents a plan view of thefvalvo body, showing the valve spindle in'section. l? ig. 4 represents e cross- The distributing shaft 1 (Fig. 2) is proof Fig. 1.

section taken on the line .fr-mf of Fig. 1'.v

Fig. 5 represents :i sectionon the line 5-.-5 Fig. 6 an elevetionlooking in the direction of the arrow 6 of F ig. 1. Fig.

n 7 a. plan View, partly in section, on. the

vided with vdoulole sets of celns or tcppets 2 for forward and' reversed running. The reversing pressure medium employed' tney consist, of compressed air' contained in s pressure reservoir 4(not shown) and lsupl plied. lthroughs pipe 3. This-'pipe is for'med into .two branches and by menne of two cocks ta-11d 5 may be placed in communication with a. pipe ora pipe 7- .or cut oii from theniboth. Esch of these pipes G and A7 leeds to c.k piston cylinder 8 or 9 of which 8 in'ey be for-'forward runningsnd 9 for reversed running. The piston 1G of 'euch of these cylinders by Ineens ,of s lever 1l P(Fig. 1) is able lto de ress a valve 12, which l 1s maintained in excised position underthe influence of the spring' 13. and 'operates duru lngvnormal running of the motor to control the motor in the reverse dire'cvbody is provided utf-,2

admission to, or exhaust from, the' cylinder. f

The levers 11",. of allfdstributing valves' f are fastened on a shaft 14. In consequence, 53

the lftngof one of the' two levers 11 rocks @when 14 and theievers .11x of n1 aistributing valves fof theniotor.

15 rests against the shaft 'l' by means offs roller 16. The valve 12 djniilsists-of a' hollow ring 17 connected with chollo# central rtion 18 by means of hollowvribs 19. er-

fora-tions in the wall of 'the 'ring-body ereg/'0` closed by screw p1ugs320. Fixed to the oentrel portion 18 is a hollow valve spindle v21. The latter is divided into two separate l chambers 22 end 23 by means of a artition 2d. A t the topgof the spindle 21 mp les 25 75 and -26 of e top-piece are connecte with each chamber respectively, and to thesad nipplaspipes or tubes for, the inlet and outlet' of cooling water may?7 be fittedl The ri feces fitting similar faces ont 28. e latter is likewise hollow 'aidmey be provi ed with means for the a.d:r'x1issi )nA of The .spindle `21gl passesk V through a stuing box 29. The cooling .85 weterfpaes through thev nipple 25 intothe cooling Water.

chamber 22 of the slpindlei21 and thence through one of the ri S19 into `the annuler chamber of the valve ring 17' (see F1 3),

e then flows throughl thel two otherj'ri s 19 90 into the chamber 23 of the spindle 21,1leaving the latterthrough the mpple 26.'

'Pipes 30 and 31 extend from the PSZOXI .cylinders 8 and '9 to the two endsoffa cylinder 32, the piston 33 of .which 'iixed Vto the 95 distributi 'shaft 1. 311i its middle` Jostion., it closes o two pipes' 34; and-35 w richV extend frolnitto twolcylindeis. 36 qid 37, provided with' side openings 38 and 39.5 The pistons 40 and 4;.1 of thesec' linders frel con 1.00

43 wbichserve nectedto thelevers 421m for manipulatingthe cock's4'and 5. "lhe casing of each cock 4 and l5 is provided with e discharge-o suing 44 connecting pipes `6 and 7, with't ey (-ixterngil atmos here when los the cocks are closed toprev'ent ow* of fluid i'rompipe y The operation is a 'follows Assuming that thef le'ver"4c2`is` forprodiicingthe rel -versalffrom forwardtofbackmrd runnn'; 110

for 'reversing the'levrffl! is raisedV in manner indicated bythe avrrow,`ther'eby adr.4

In the position shown in Fig. l'the valve i f 12 is in its closed position'. A' sliding-block 65 listing the cock il, so that it plaoesthe presnr'e medium ipe 3 in communication with he pipe 6. he compressedv air moves the iston il'vlof the cylinder 8 inthe upward direction-and hyme'ens 'otite lever 1l rocks thesheft le ancijhe levers ll* of all 'valves and presses the valves, their sliding blocks the leftihend cero of each passed `heyond the admission aperture of the pipe 36,'compressed air pessesfrom the cylinder, andthe supply pipe, through thisv pipe 30 beh-ind the piston 33o-f the cylinder 353, which, asall the valves 12 ere depressed,

and their-'stems are Withdromvnv from operative relation with the cams 2, 1s left free to adjust seid shaft longitudinally, and bring set, 2, (sce Figf into linewiththe valve stems. At the end of i'tsi'strolre the piston 33 opens the admission epertnre of the pipe 34:, thereby allowy ing the compressed air toenter the cylinder 36 over its raised piston 40 thus de ressing this piston and in consequence the ever i2 and cgitting oli the supply pipe for the ressnre :medium from 6; et'the same time 0W ever 'the Apipe 6 is placed in communication through the cock l with en sir discharge opening i4 in the cock casing, so that t 1e compressed air istcble to escape beneath the piston 10` of the cylinder 8, which is now returned by ineens off the velve spring 13 'end the lever 11 into its initial lower position. The engine is now reversed, but at the time ell the distributing parts have returned to their mitici positionA until the order tornarci is given whereupon the driver bnl needs to reise the' lever sain the direction ,indicated hy the arrow end release it, when by meensof the cock 5, the cylinder 9,v the cylinders 32'end 37 the'entire operotion of reversal to forw'rd running and reand Ineens for settingin the' orie'inelycsition again takesv place entoineticeily. yihcn the reversing gear is "used on internel cornhnration engines the ignition is simultaneously thrown in and cnt lont orthe purposc'jof starting the'enginen In,lr continuons running the distributing shaft is stopped. l y

what I claim, end desire to V:secure by Letters Patent of the Unitcdt Sttes, is:-

l. ln' a motor, the combination of a valve operating shaft capable of' longitudinal adjustmentlfor Eur oses ofi reversing the moton alserics o ve ves normally in o eretive rele-tion to certain oi? the `cams on suc shaft, simultaneously withdrawing all such valves from suchV operative relation, said means comprising,r e series of levers engaging the veli/c stems, e fluid pressure cylinder and piston 'thereinopcrutively connecteci to seid levy-ers.

2. ln n motor, the combination of a valve operating cani shaft capable of longitudinal adjustment purposes ,reversing the motor, e valve normally in operative releltion to certain of the cams on such sheft, mechanism for adjusting seid shaft longitul dinally, and means, automatically thrown into action by said adjusting mechanism, to

withdraw said valve from operative relation with the cams during the period omovement of the shaft adjustln means, said mechanism comprising s, fini pressure cyiinder and piston therein connected to the cylinder 'with piston therein connected toV scid shaft in the line oi its adjusting movement, levers'cngaging `the valve stems'in the line of their movement to and from the shaft, a linicly pressure cylinder with. piston therein'and piston rod engaging each of said levers, fluid pressure pi' s connected one to 'each of seid twocylin ers; a cook.A for controlling the low or4 tluid'm cach-pipe, and

a ley-pass connection from one of'fgthese cylinders to one endv of the shaft adjusting cylinder, and .asimilar connection from the.

other of said, cylinders to the other end vof the shaft adjnsting'eylinder. A Y,

Alna motor, e lon itudinslly adjustable rcvolublc shaft provied with sets of op-` positelyivarranged carnevalvcs normally 1n operutlvc relationwith one or' the other of each of scid' sets of coins,- a uid pressure cylinder withA piston therein connected to seid shaft in the line of its adjusting move? ment, levers engaging the valve stems in the line oftheir movement. to and from the shaft, two ilu'idpressure cylinders each With piston therein and piston rod engaging one of seid levers, fluid. pressure pipes connected one `to cacho said two cylinders, e cock for controlling the ilow of fluid in each pipef and a by-pass connection from one of these cylinders to one end of the shaft adjusting cylinder, and e similar connection from the other of said cylinders tothe other end of the shaft adjusting cylinder, together )Vith a second set of tivo fluid pressure cylinders, vpistons therein, one of winch is opere,-

4tively connected-to one of said cocksand the othcrto the other ofV said cocks,end bypass connections from one of seid Alest men-A tioned cylinders to one- .end of the shaft edjusting cylinder, and from the other 'of seid cylinders to the other end of seid shaft adjusting cylinder. 1 Y

5. In a. motor, e longitudinally adjustable revolublc shaft provided with sets of 013-' positely arranged cams, valves normally 1n v. of said'levers, Huid pressure pipes connected one to each of said two cylinders, aeoek for controlhngthe 110W of Hand n1 each pipe,

and a by-pues connection from oneof theseA cylinders to one end of the shaft, adjusting' cylinder, and a, Similar Connection from the other ofszlid cylinders to the other end ot' Athe shaft udjlmting cylinder,together with a second set/of two fluid plvessnre eyhnders, pistons therein. one of-wlneh le o1 erat1ve1 \v vvconnectefl to one of said rocks and the other to the other of said cocks, and a by-pass connectlon from one of said lasty mentioned o vllnders to one end of the ehm't adjusting cylinder, :1nd from the other of said evlinders to the other end of 'said Shaft' mtjnsting 'ey]inde1',': :'zf.l. (forks being` provrlml with di charge ports to the outer air connecting with the tiret mentioned pair ot' cylinders when Saidrocks are closet'. 6. The combination of a 1notoitrevereng meehanism arranged to be operated by a fhlid )fessure ef'sten'nil cock for udl'nitting sind md pressure, :r lever emitrolhng mul cockv and :t Cylinder having' n pieton cona connection 'from' one und to the Huid pres'- near the `other end. v In testimony whereof I have hereunto set my hand 1n presence of two subserlbing wJtmesses.

BO'RS LOUTZK Y. Witnesses:

WOLDEMAR HAUPT,

I-InNnr HASPER.

nected to Suid lever, said cylinder having.

sure s vetem and an exhaust port in its side 

